Fluke 196 ScopeMeter
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Modèle:
196
Date:
2000
Catégorie:
Groupe:
Description:
Scopemeter
Information
The Fluke 192/196/199 ScopeMeter test tools have three input
channels that are electrically floating with respect to each
other, and with respect to the power adapter input.
Channel A and channel B are Oscilloscope channels with a
60/100/200 MHz bandwidth. The Meter/External Trigger channel
is a combined DMM and external trigger channel with a
limited (20 kHz) bandwidth.
Type manuel:
Supplément au manuel de l'utilisateur
Pages:
2
Taille:
124.09 Kbytes (127067 Bytes)
Langue:
english
Révision:
Manuel-ID:
Date:
Qualité:
Électronique de documents, numérisation sans, bien lisible.
Date de transfert:
2016 01 27
MD5:
11d3d69a3ab158e3e927bfeefbe708f2
Téléchargements:
1613
Type manuel:
manuel de réparation
Pages:
206
Taille:
7.80 Mbytes (8180057 Bytes)
Langue:
english
Révision:
2
Manuel-ID:
4822 672 05376
Date:
2000 03 01
Qualité:
Document scanné, tous les lisible.
Date de transfert:
2018 01 08
MD5:
69a9d171f14ebbb590ad02c12cb59f8e
Téléchargements:
1659
Information
1.1
Introduction ... 1-3
1.2 Safety
Precautions ... 1-3
1.3 Caution and Warning
Statements ... 1-3
1.4
Symbols ... 1-3
1.5 Impaired
Safety ... 1
-4 '
1.6 General Safety
Information ... 1-4
2
Characteristics ... 2-1
2.1
Introduction ... 2-3
2.2 Dual Input
Oscilloscope ... 2-3
2.2.1 Isolated Inputs A and B
(Vertical) ... 2-3
2.2.2
Horizontal ... 2-4
2.2.3 Trigger and
Delay ... 2-4
2.2.4 Automatic Connect&View
Trigger ... 2-4
2.2.5 Edge
Trigger ... 2-5
2.2.6 Isolated External
Trigger ... 2-5
2.2.7 Video
Trigger ... 2-5
2.2.8 Pulse Width
Trigger ... 2-5
2.2.9 Continuous Auto
Set ... 2-5
2.2.10 Automatic Capturing Scope
Screens ... 2-6
2.3 Automatic Scope
Measurements ... 2-6
2.3.1
General ... 2-6
2.3.2 DC Voltage
(VDC) ... 2-6
2.3.3 AC Voltage
(VAC) ... 2-6
2.3.4 AC+DC Voltage (True
RMS) ... 2-7
2.3.5 Amperes
(AMP) ... 2-7
2.3.6
Peak ... 2-7
2.3.7 Frequency
(Hz) ... 2-8
2.3.8 Duty Cycle
(DUTY) ... 2-8
2.3.9 Pulse Width
(PULSE) ... 2-8
2.3.10
Power ... 2-8
2.3.11
Phase ... 2-8
2.3.12 Temperature
(TEMP) ... 2-9
2.3.13 Decibel
(dB) ... 2-9
2.4
Meter ... 2-9
2.4.1 Meter
Input ... 2-9
2.4.2 Meter
Functions ... 2-9
2.5 DMM Measurements on Meter
Inputs ... 2-9
2.5.1
General ... 2-9
2.5.2 Ohms
(£2) ... 2-10
2.5.3 Continuity
(CONT) ... 2-10
2.5.4
Diode ... 2-10
2.5.5 Temperature
(TEMP) ... 2-10
2.5.6 DC Voltage
(VDC) ... 2-10
2.5.7 AC Voltage
(VAC) ... 2-11
2.5.8 AC+DC Voltage (True
RMS) ... 2-11
2.5.9 Amperes
(AMP) ... 2-11
2.6
Recorder ... 2-11
2.6.1 TrendPlot (Meter or
Scope) ... 2-11
2.6.2 Scope
Record ... 2-12
2.7 Zoom, Replay and
Cursors ... 2-12
2.7.1
Zoom ... 2-12
2.7.2
Replay ... 2-12
2.7.3 Cursor
Measurements ... 2-12
2.8
Miscellaneous ... 2-13
2.8.1
Display ... 2-13
7. .8.7 /l
Power ... 2-13
2.8.3 Probe
Calibration ... 2-13
2.8.4
Memory ... 2-13
2.8.5
Mechanical ... 2-13
2.8.6 Optical Interface
Port ... 2-14
2.9
Environmental ... 2-14
2.10 Zh
Safety ... 2-14
2.11 10:1
probe ... 2-16
2.11.1
Safety ... 2-16
2.11.2 Electrical
specifications ... 2-16
2.11.3
Environmental ... 2-16
2.12 Electromagnetic
Immunity ... 2-17
3 Circuit
Description ... 3-1
3.1
Introduction ... 3-3
3.2 Block
Diagram ... 3-3
3.3 Start-up Sequence, Operating
Modes ... 3-7
3.4 Detailed Circuit
Descriptions ... 3-9
3.4.1 Scope Channel A - Scope Channel
B ... 3-9
3.4.2 Meter/Ext Trigger
Channel ... 3-12
3.4.3 Sampling&Triggering
(S-ASIC) ... 3-14
3.4.4 S-ASIC
supply ... 3-19
3.4.5
ADC’s ... 3-19
3.4.6 Digital
Control ... 3-19
3.4.7
Power ... 3-24
3.4.8 Slow ADC, RS232 Serial Interface, Backlight,
Buzzer ... 3-28
4 Performance
Verification ... 4-1
4.1
Introduction ... 4-3
4.2 Equipment Required For
Verification ... 4-3
4.3 General
Instructions ... 4-3
4.4 Operating
Instructions ... 4-4
4.4.1 Resetting the test
tool ... 4-4
4.4.2 Navigating through
menu’s ... 4-4
4.4.3 Creating Test Tool Setup
1 ... 4-5
4.5 Display and Backlight
Test ... 4-5
4.6 Scope Input A&B
Tests ... 4-7
4.6.1 Input A&B Vertical Accuracy
Test ... 4-7
4.6.2 Input A&B DC Voltage Accuracy
Test ... 4-9
4.6.3 Input A&B AC Voltage Accuracy Test
(LF) ... 4-11
4.6.4 Input A&B AC Coupled Lower Frequency
Test ... 4-12
4.6.5 Input A and B Peak Measurements
Test ... 4-13
4.6.6 Input A&B Frequency Measurement Accuracy
Test ... 4-14
4.6.7 Input A&B Phase Measurements
Test ... 4-15
4.6.8 Time Base
Test ... 4-16
4.6.9 Input A Trigger Sensitivity
Test ... 4-18
4.6.10 Input A AC Voltage Accuracy (HF) & Bandwidth
Test ... 4-19
4.6.11 Input B Trigger Sensitivity
Test ... 4-20
4.6.12 Input B AC Voltage Accuracy (HF) & Bandwidth
Test ... 4-21
4.6.13 Video
test ... 4-22
4.7 External Trigger Level
Test ... 4-26
4.8 Meter (DMM)
Tests ... 4-27
4.8.1 Meter DC Voltage Accuracy
Test ... 4-27
4.8.2 Meter AC Voltage Accuracy & Frequency Response
Test ... 4-28
4.8.3 Continuity Function
Test ... 4-29
4.8.4 Diode Test Function
Test ... 4-29
4.8.5 Ohms Measurements
Test ... 4-29
4.9 Probe Calibration Generator
Test ... 4-31
5 Calibration
Adjustment ... 5-1
5.1
General ... 5-3
5.1.1
Introduction ... 5-3
5.1.2 Calibration number and
date ... 5-3
5.1.3 General
Instructions ... 5-3
5.1.4 Equipment Required For
Calibration ... 5-4
5.2 Calibration Procedure
Steps ... 5-4
5.3 Starting the
Calibration ... 5-4
5.4 Contrast Calibration
Adjustment ... 5-6
5.5 Warming Up &
Pre-Calibration ... 5-7
5.6 Final
Calibration ... 5-8
5.6.1 Input A LF-HF
Gain ... 5-8
5.6.2 Input B LF-HF
Gain ... 5-9
5.6.3 Input A&B LF-HF
Gain ... 5-11
5.6.4 Input A&B
Position ... 5-12
5.6.5 Input A&B Volt
Gain ... 5-12
5.6.6 DMM Volt
Gain ... 5-14
5.6.7 Input A& B, and DMM
Zero ... 5-15
5.6.8 DMM Ohm
Gain ... 5-15
5.6.9 Calculate
Gain ... 5-16
5.7 Save Calibration Data and
Exit ... 5-17
5.8 Probe
Calibration ... 5-18
6 Disassembling the Test
Tool ... 6-1
6.1.
Introduction ... 6-3
6.2. Disassembly & Reassembly
Procedures ... 6-3
6.2.1 Required
Tools ... 6-3
6.2.2 Removing the Tilt Stand & Hang
Strap ... 6-3
6.2.3 Replacing the Side-Strap, Changing the Side-Strap
Position ... 6-3
6.2.4 Opening the Test Tool, Removing the
Battery ... 6-3
6.2.5 Removing the Main PCA
Unit ... 6-5
6.2.6 Removing the Display
Assembly ... 6-6
6.2.7 Removing the Keypad and Keypad
Foil ... 6-6
6.2.8 Disassembling the Main PCA
Unit ... 6-7
6.2.9 Reassembling the Main PCA
Unit ... 6-8
6.2.10 Reassembling the Test
Tool ... 6-8
7 Corrective
Maintenance ... 7-1
7.1
Introduction ... 7-3
7.2 Starting Fault
Finding ... 7-4
7.3 Charger
Circuit ... 7-5
7.4 Starting with a Dead Test
Tool ... 7-6
7.4.1 Test Tool Completely
Dead ... 7-7
7.4.2 Test Tool Software Does not
Run ... 7-7
7.4.3 Software Runs, Test Tool not
Operative ... 7-8
7.5 Miscellaneous
Functions ... 7-8
7.5.1 Display and Back
Light ... 7-8
7.5.2 Fly Back
Converter ... 7-9
7.5.3 Slow ADC,
+3V3SADC ... 7-10
7.5.4
Keyboard ... 7-11
7.5.5 Optical Port (Serial RS232
Interface) ... 7-12
7.5.6 Channel A, Channel B
Measurements ... 7-12
7.5.7 Meter Channel (Ext Trigger, Probe
Cal) ... 7-13
7.5.8 Input Signal
Acquisition ... 7-16
7.5.9
ADC’s ... 7-18
7.5.10 Digital Control &
Memory ... 7-19
7.5.11 Buzzer
Circuit ... 7-20
7.5.12 RAM
Test ... 7-20
7.5.13 Power
ON/OFF ... 7-21
7.6 Loading
Software ... 7-21
8 List of Replaceable
Parts ... 8-1
8.1
Introduction ... 8-3
8.2 How to Obtain
Parts ... 8-3
8.3 Service
Centers ... 8-3
8.4 Final Assembly
Parts ... 8-4
8.5 Main PCA Unit
Parts ... 8-6
8.6 Main PCA
Parts ... 8-8
8.7
Accessories ... 8-26
9 Circuit
Diagrams ... 9-1
9.1
Introduction ... 9-3
9.2 Tracing signals in circuit
diagrams ... 9-3
9.3 Locating Parts & Test
Points ... 9-3
9.4
Diagrams ... 9-10
10
Modifications ... 10-1
10.1 Software
modifications ... 10-3
Type manuel:
Manuel de l'utilisateur
Pages:
116
Taille:
2.29 Mbytes (2403431 Bytes)
Langue:
english
Révision:
Rev.2, 2/01
Manuel-ID:
4822 872 00983
Date:
Qualité:
Électronique de documents, numérisation sans, bien lisible.
Date de transfert:
2008 11 03
MD5:
7a0c3f46114d08926ed88125214e4e2b
Téléchargements:
3671